Home / 10,083.44-15,092.80-5,391.72

Finding the Fourth Proportional to 10,083.44, 15,092.80 and 5,391.72

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Solution

The fourth proportional to 10,083.44, 15,092.80 and 5,391.72 is: 8,070.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,083.44 : 15,092.80 = 5,391.72 : x
  2. Step 2: Convert to fraction form
    10,083.44/15,092.80 = 5,391.72/x
  3. Step 3: Cross multiply
    10,083.44x = 15,092.80 × 5,391.72
  4. Step 4: Simplify right side
    10,083.44x = 81,376,151.62
  5. Step 5: Solve for x
    x = 81,376,151.62/10,083.44
  6. Step 6: Final answer
    x = 8,070.28

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.